David Williamson Email & Phone Number

Manchester, Gb

Manchester, Gb

Manchester, Gb

Head of the Infrastructure team that is responsible for keeping the network infrastructure highly available. Other responsibilities include: • Oversee the security for the company’s co-location data centre as well as the Head Office, the South Africa Office and the remote workers.• Management of a growing team to achieve the goals of the business.

Manchester, Gb

I worked as part of the Infrastructure team, my duties included, but were not limited to:• Maintained and expanded existing co-location Infrastructure within the data centre.• Implemented configuration and architectural improvements within the data centre on the back of regular Infrastructure meetings.• Site Surveys and installations for clients.• Provided high level network support and consultancy for clients.• Ensured any downtime for the data centre was kept to a minimum and within SLA.• Responsible for network security of all client systems in the data centre.• Daily monitoring of core network and servers.• Configuration and maintenance of Cisco ASA firewalls, Fortinet firewalls and Draytek routers for clients.• Handled various technical requests through a ticketing system.• Network maintenance for serviced offices for brief period before they closed down. This included QOS configuration and new switch installations• Decommissioned all network equipment in the serviced offices due to them closing down. All equipment was wiped and kept for spare. This is also required the removal of ACL’s and VPN’s from the network.

Provide network support to serviced office clients and dialler clients throughout the UK. A customer service focus was key to success in this role. A proactive approach to problem resolution and resolving the root cause of ongoing issues was the top priority. Some of the responsibilities included:• Supported existing Efuse Solutions clients until company was dissolved.• Worked as 2nd/3rd Line Network Engineer for a number of large serviced offices, based in the North West and the West Midlands to support their VoIP/LAN/WAN systems.• Configuration and maintenance of Cisco 2900, 3500 and 3700 switches.• Configuration and maintenance of Cisco ASA Firewalls, Fortinet firewalls and Draytek routers for serviced offices and VoIP clients.• Configuration of QOS on Cisco Firewalls, Fortinet firewalls and Cisco Switches.• Ensured any downtime for serviced offices and VoIP based clients was kept to a minimum and within SLA.• Completed site survey/installations for contact centre systems/PBX clients.• Responsible for security of all client systems.• Daily monitoring of all network systems and servers via an internal monitoring system.• Configuration and maintenance of Site to Site VPN tunnels for serviced office clients and between serviced offices.• Handled various technical requests through a ticketing system.

My key responsibilities as an IT Technician included but were not limited to:• Provided 1st/2nd/3rd Line support for over 30 clients via telephone and using remote support tools.• All support requests were handled via an internal ticketing system.• Supervised a trainee IT Technician.• Ensured that any down time on client systems was kept to a minimum and ensured that any SLA’s were met.• LAN/WAN maintenance and installation for clients including servers, workstations, routers and printers.• Monthly server checklist for all clients to ensure optimal performance. Logged and resolved any issues that may arise.• Administration for all clients using Active Directory, Group Policy, Microsoft Exchange and other Mail servers.• Migration of domains for clients and management of DNS records including A records, MX records and SPF records.• Configuration of Site to Site VPN tunnels using SOHO routers.• Remote VPN configuration and maintenance for clients using both routers and RRAS.• Configuration of remote access for clients using Outlook Web Access and Remote Web Workplace.• Successful Office moves completed for various clients.• Liaised with third party companies on behalf of clients to resolve any issues such as Line of Business software or ISP’s.• Monitored backups on all client sites, ensuring any failures promptly resolved.• Provided technical assistance to 1st/2nd Line IT Technicians.• Began working for YSES serviced offices in Manchester for VoIP/LAN/WAN support as part of company takeover.